Theano

Latest version: v1.0.5

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0.8.1

==================================

This is a point release without any new feature.

It fixes compilation issues on MacOS X with the command line tools for
XCode 7.3, which was released shortly after Theano 0.8.0.

0.8

================================

We recommend that everybody update to this version.

Highlights:
- Python 2 and 3 support with the same code base
- Faster optimization
- Integration of cuDNN for better GPU performance
- Many Scan improvements (execution speed up, ...)
- optimizer=fast_compile moves computation to the GPU.
- Better convolution on CPU and GPU. (CorrMM, cudnn, 3d conv, more parameter)
- Interactive visualization of graphs with d3viz
- cnmem (better memory management on GPU)
- BreakpointOp
- Multi-GPU for data parallism via Platoon (https://github.com/mila-udem/platoon/)
- More pooling parameter supported
- Bilinear interpolation of images
- New GPU back-end:

* Float16 new back-end (need cuda 7.5)
* Multi dtypes
* Multi-GPU support in the same process


A total of 141 people contributed to this release, see the list at the bottom.


Installation:
- Better BLAS detection
- Fixes for more recent software and OS versions
- Support Anaconda on Windows

Bug fixes:
- GpuJoin now supports negative axis
- Fix GpuCumsum for negative axis

Interface Deprecation (a warning is printed):
- Deprecate Param class, use In instead

Interface Changes:
- Rename DownsampleFactorMax to Pool.
- tensor.stack now uses the same interface as numpy.stack
- optimizer=fast_compile moves computation to the GPU
- Raise the user stack trace more frequently.
- Change dev version numbering to follow the PEP 440


New Interface (reuses existing functionality):
- theano.tensor.nnet.relu
- theano.tensor.nnet.elu
- BatchNormalization.
- MaxAndArgmax support axis=None
- Add theano.tensor.compress (equivalent of numpy.compress)
- theano.tensor.signal.downsamples.max_pool_2d_same_size
- COp
- __props__

New features
- tensor.unique
- map_variables
- erfcx
- mgrid, ogrid
- allclose
- BreakpointOp
- Make bincount work on GPU
- SolveOp on GPU
- Optional optimization remove_all_assert
- AllocEmpty
- LogSoftmax, for stability optimization when the crossentropy optimization does not apply.
- theano.tensor.repeat works on GPU
- BatchedDot on the GPU and faster on the CPU.
- Faster batched_tensordot and make it work on GPU.
- SoftmaxGrad grad
- 3d conv via CorrMM on the GPU
- CPU Max Pool support of padding and strides!=windows size
- theano.function() now accepts a dict for the outputs. When doing this, the function will return a dict. Helpful to keep track of which output is what.
- Warn for unknown or misspelled theano config variables
- theano.tensor.tile update (accept symbolic reps, work on GPU)
- scan how have a strict flag. If set to True, this make scan building faster and could make execution faster.
- theano.tensor.signal.conv2d(2d,2d) output 2d answer
- More convolution parameter supported
- Bilinear interpolation of images


Speed-ups:
- Faster SetSubtensor on the GPU.
- Support more reduction pattern on the GPU.
- More graph optimization
- Faster graph optimization
- GpuCrossentropySoftmaxArgmax1HotWithBias


Crash/no return fixes:
- Fix crash in the assert op grad
- Fix curand crash on Mac
- Multiple Fix scan crashes
- Finish to update all Op.grad() implementation to the new interface

Others:
- Support ARM processor.
- Better tests
- Code clean up.
- Doc updates
- doctest and sphinx test in travis
- More tests tagged as slow
- Better same_shape implementation
- More op with c code to lower overhead
- Custom pickler for SharedVariable theano.misc.pkl_utils.{dump,load}
- function_dump to help us reproduce user error during compilation
- assert_no_cpu_op
- pep8, flake8
- Better error messages
- On non-default modes, reduce the number of allocation when allow_gc=False
- Better lock


Committers for this dev version only:
- Frederic Bastien
- Arnaud Bergeron
- Pierre Luc Carrier
- Iban Harlouchet
- Pascal Lamblin
- Chienli Ma
- Tim Cooijmans
- Nicolas Ballas
- Amjad Almahairi
- David Warde-Farley
- Christof Angermueller
- Ziye Fan
- Caglar
- Sina Honari
- Roy Xue
- hantek
- Mohammad Pezeshki
- Melanie Ducoffe
- Alexandre de Brebisson
- Harm de Vries
- Samira Shabanian
- Alex Lamb
- Ramana.S
- Francesco Visin
- Saizheng Zhang
- Ying Zhang
- Jan Schlüter
- Xavier Bouthillier
- Bart van Merrienboer
- Cesar Laurent
- Iulian Vlad Serban
- Li Yao
- Sigurd Spieckermann
- Dmitrii Serdiuk
- Kelvin Xu
- Sebastien Jean
- Thomas Mesnard
- Seon-Wook Park
- Vincent Michalski
- Dustin Webb
- Mikhail Korobov
- Orhan Firat
- Olivier Mastropietro
- Daniel Renshaw
- Julien Rebetez
- Peng Liu
- Sean Lee
- TimSalimans
- Andre Holzner
- Gijs van Tulder
- Guillaume Alain
- Julien Demouth
- Markus Beissinger
- Mehdi Mirza
- Moslem Kazemi
- Saxenauts
- Søren Kaae Sønderby
- sentient07
- Anatoly Belikov
- Diogo Moitinho de Almeida
- Jakub Sygnowski
- Kashif Rasul
- Laurent Dinh
- Rémy Léone
- Taesup (TS) Kim
- gw0 [http://gw.tnode.com/]
- mronian
- vesis84
- Benni
- Chiheb Trabelsi
- JesseLivezey
- Marius Killinger
- Matt Graham
- Matthew Willson
- Piotr Frankowski
- Stefan Krastanov
- vdumoulin
- Adithya Ganesh
- Anish Shah
- Balázs Hidasi
- Colin Raffel
- Cory Lorenz
- Doug
- Jesse Livezey
- John Salvatier
- John Zedlewski
- Jonathan Ho
- Kaixhin
- Liang-Chi Hsieh
- Lucas Beyer
- Luke Metz
- Marc-Alexandre Cote
- Martin Arjovsky
- Matthias Kümmerer
- Sirisha Rambhatla
- briancheung
- cai-lw
- ivdorelian
- jan-matthis
- jojolalpin
- joncrall
- peterjsadowski
- scottsievert
- Étienne Simon
- A. Flaxman
- AlOa
- Albert Zeyer
- Andrea
- Andy Jiang
- Balázs
- Ben Poole
- Brian Cheung
- Christophe Van Gysel
- Claude Coulombe
- Clay McLeod
- Dario Garcia
- Jakob Lombacher
- Joao Felipe Santos
- John Arevalo
- Jonas Degrave
- Martin Thoma
- Mathieu Germain
- Matthew Koichi Grimes
- Michael Eickenberg
- Michael Opitz
- Paul Hollensen
- Prayag Verma
- Saatvik Shah
- Sergei Lebedev
- Vik Kamath
- Wei Ouyang
- Wojciech Głogowski
- Yi-Lin Juang
- Yurii Shevchuk
- Zach Dwiel
- dan
- eulerreich
- jotterbach
- rolf
- theaverageguy
- wuaalb

0.8.0

- Frederic Bastien
- Arnaud Bergeron
- Pascal Lamblin
- Ramana Subramanyam
- Simon Lefrancois
- Steven Bocco
- Gijs van Tulder
- Cesar Laurent
- Chiheb Trabelsi
- Chinnadhurai Sankar
- Mohammad Pezeshki
- Reyhane Askari
- Alexander Matyasko
- Alexandre de Brebisson
- Nan Rosemary Ke
- Pierre Luc Carrier
- Mathieu Germain
- Olivier Mastropietro
- khaotik
- Saizheng Zhang
- Thomas George
- Iulian Vlad Serban
- Benjamin Scellier
- Francesco Visin
- Caglar
- Harm de Vries
- Samira Shabanian
- Jakub Sygnowski
- Samira Ebrahimi Kahou
- Mikhail Korobov
- Faruk Ahmed
- Fei Wang
- Jan Schlüter
- Kv Manohar
- Jesse Livezey
- Kelvin Xu
- Matt Graham
- Ruslana Makovetsky
- Sina Honari
- Bryn Keller
- Ciyong Chen
- Nicolas Ballas
- Vitaliy Kurlin
- Zhouhan LIN
- Gokula Krishnan
- Kumar Krishna Agrawal
- Ozan Çağlayan
- Vincent Michalski
- Ray Donnelly
- Tim Cooijmans
- Vincent Dumoulin
- happygds
- mockingjamie
- Amjad Almahairi
- Christos Tsirigotis
- Ilya Kulikov
- RadhikaG
- Taesup (TS) Kim
- Ying Zhang
- Karthik Karanth
- Kirill Bobyrev
- Yang Zhang
- Yaroslav Ganin
- Liwei Cai
- Morgan Stuart
- Tim Gasper
- Xavier Bouthillier
- p
- texot
- Andrés Gottlieb
- Ben Poole
- Bhavishya Pohani
- Carl Thomé
- Evelyn Mitchell
- Fei Zhan
- Fábio Perez
- Gennadiy Tupitsin
- Gilles Louppe
- Greg Ciccarelli
- He
- Huan Zhang
- Jonas Degrave
- Kaixhin
- Kevin Keraudren
- Maltimore
- Marc-Alexandre Cote
- Marco
- Marius F. Killinger
- Maxim Kochurov
- Neil
- Nizar Assaf
- Rithesh Kumar
- Rizky Luthfianto
- Robin Millette
- Roman Ring
- Sander Dieleman
- Sebastin Santy
- Shawn Tan
- Wazeer Zulfikar
- Wojciech Głogowski
- Yann N. Dauphin
- gw0 [http://gw.tnode.com/]
- hexahedria
- hsintone
- jakirkham
- joncrall
- root
- superantichrist
- tillahoffmann
- wazeerzulfikar
- you-n-g

0.7

================================
We recommand to everyone to upgrade to this version.

Highlights:
* Integration of cuDNN for 2D convolutions and pooling on supported GPUs
* Too many optimizations and new features to count
* Various fixes and improvements to scan
* Better support for GPU on Windows
* On Mac OS X, clang is used by default
* Many crash fixes
* Some bug fixes as well

0.6

===================================

We recommend that everybody update to this version.

0.6rc5

===================================

We recommend that everybody update to this version.

We plan to release 0.6 in one week if there is no problem introduced
with this release candidate.

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